<template>
  <el-dropdown @command="handleCommand" class="ms-dropdown">
    <slot>
      <span class="el-dropdown-link">
        {{ currentCommand }}
        <i class="el-icon-arrow-down el-icon--right"></i>
      </span>
    </slot>
    <el-dropdown-menu slot="dropdown" chang>
      <el-dropdown-item v-for="(command, index) in commands" :key="index" :command="command">
        {{ command }}
      </el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</template>

<script>
export default {
  name: 'MsDropdown',
  data() {
    return {
      currentCommand: '',
    };
  },
  props: {
    commands: {
      type: Array,
    },
    defaultCommand: {
      type: String,
    },
  },
  created() {
    if (this.defaultCommand) {
      this.currentCommand = this.defaultCommand;
    } else if (this.commands && this.commands.length > 0) {
      this.currentCommand = this.commands[0];
    }
  },
  methods: {
    handleCommand(command) {
      this.currentCommand = command;
      this.$emit('command', command);
    },
  },
};
</script>

<style scoped>
.el-dropdown-link {
  cursor: pointer;
  color: #409eff;
}

.el-icon-arrow-down {
  font-size: 12px;
}
</style>
